is expected to be joined by former president bill clinton and you can watch that light at 3:30 p.m. eastern also on c-span c-span. >> you consider that a while ago no one whatever agreed to carry around a tracking device, right? but now we all carry around cell phones. no one would ever have posted, let anyone read her e-mail but right now a lot of us our gmail is stored on a server at google. it's interesting that we as a society have given our information out. >> we were looking into cyber incident security, type of war. the pentagon had declared cyberspace the environment of people and machines and networks as a new domain of war. and yet we realized that maybe one in 1000 people really understood what cyberspace was and the degree and depth of the vulnerabilities. and so what we're trying to do in zero days series is to take pieces of it and explain the fundamental and the platonic idea is that everybody from my mom and dad to congress and people around the country can understand and so maybe start the process of coming up with ways to defend cyberspace better spent cyberspace v